| commit | 80b7d2efb63c225797345c152cdd3392b9fe7b72 | |
| author | Jan Kiszka <jan.kiszka@siemens.com> | |
| Thu, 18 Jun 2015 16:47:24 +0000 (18 18:47 +0200) | ||
| committer | Paolo Bonzini <pbonzini@redhat.com> | |
| Wed, 1 Jul 2015 13:45:51 +0000 (1 15:45 +0200) | ||
| tree | c17c0c50d7d999e60508d671eebd25bdd6e38d1d | treesnapshot (tar.gz zip) |
| parent | 4b8523ee896750c37b4fa224a40d34703cbdf4c6 | commitdiff |
kvm: Switch to unlocked PIO
Do not take the BQL before dispatching PIO requests of KVM VCPUs.
Instead, address_space_rw will do it if necessary. This enables
completely BQL-free PIO handling in KVM mode for upcoming devices with
fine-grained locking.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1434646046-27150-8-git-send-email-pbonzini@redhat.com>
Do not take the BQL before dispatching PIO requests of KVM VCPUs.
Instead, address_space_rw will do it if necessary. This enables
completely BQL-free PIO handling in KVM mode for upcoming devices with
fine-grained locking.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1434646046-27150-8-git-send-email-pbonzini@redhat.com>
| kvm-all.c | diffblobblamehistory |